Hello and thanks for the reply as well as the warm welcome. And yes it definitely is, even though I expect them to be missing I expect things like the 1x1 flat pieces or stuff like that. Things that can easily pass through the weight machine but in fairness to Lego, they put spares in which may not be the right colour but you're unlikely to notice. Checked through ever piece, the bags and the boxes. I did in fact find a few other pieces left over but not the ones I was looking for. And what's also weird is that I normally expect the pieces to be missing later on which is better because it's easier to work out they're. missing. When you're on step 5 of the Palace Cinema however it's a whole different story and you're forced to count through every individual one and you don't know what spares you can repurpose.
Too be honest, I don't even buy that much myself, I get a few Architecture sets and a big one at Christmas and my birthday so not many. And on the other threads I looked at there was a handful of people who said they'd either never had a missing piece at all or something like 2 in total. The vast majority people say it happens occasionally and I expect pieces to be missing but Like Mr Greeble said it's an uncommon amount of pieces which it is even for me.